@namespace Oqtane.Modules.Admin.Jobs
@inherits ModuleBase
@inject IJobService JobService
@inject IStringLocalizer<Index> Localizer
@inject IStringLocalizer<SharedResources> SharedLocalizer

@if (_jobs == null)
{
    <p><em>@SharedLocalizer["Loading"]</em></p>
}
else
{
    <ActionLink Action="Log" Class="btn btn-secondary" Text="View Logs" ResourceKey="ViewJobs" />
    <button type="button" class="btn btn-secondary" @onclick="(async () => await Refresh())">@Localizer["Refresh.Text"]</button>
    <br />
    <br />

    <Pager Items="@_jobs" SearchProperties="Name">
        <Header>
            <th style="width: 1px;">&nbsp;</th>
            <th style="width: 1px;">&nbsp;</th>
            <th style="width: 1px;">&nbsp;</th>
            <th>@SharedLocalizer["Name"]</th>
            <th>@SharedLocalizer["Status"]</th>
            <th>@Localizer["Frequency"]</th>
            <th>@Localizer["NextExecution"]</th>
            <th style="width: 1px;">&nbsp;</th>
        </Header>
        <Row>
            <td><ActionLink Action="Edit" Parameters="@($"id=" + context.JobId.ToString())" ResourceKey="EditJob" /></td>
            <td><ActionDialog Header="Delete Job" Message="Are You Sure You Wish To Delete This Job?" Action="Delete" Security="SecurityAccessLevel.Host" Class="btn btn-danger" OnClick="@(async () => await DeleteJob(context))" ResourceKey="DeleteJob" /></td>
            <td><ActionLink Action="Log" Class="btn btn-secondary" Parameters="@($"id=" + context.JobId.ToString())" ResourceKey="JobLog" /></td>
            <td>@context.Name</td>
            <td>@DisplayStatus(context.IsEnabled, context.IsExecuting)</td>
            <td>@DisplayFrequency(context.Interval, context.Frequency)</td>
            <td>@context.NextExecution?.ToLocalTime()</td>
            <td>
                @if (context.IsStarted)
                {
                    <button type="button" class="btn btn-danger" @onclick="(async () => await StopJob(context.JobId))">@Localizer["Stop"]</button>
                }
                else
                {
                    <button type="button" class="btn btn-success" @onclick="(async () => await StartJob(context.JobId))">@Localizer["Start"]</button>
                }
            </td>
        </Row>
    </Pager>
}

@code {
	private List<Job> _jobs;

	public override SecurityAccessLevel SecurityAccessLevel { get { return SecurityAccessLevel.Host; } }

	protected override async Task OnParametersSetAsync()
	{
		_jobs = await JobService.GetJobsAsync();
		if (_jobs.Count == 0)
		{
			AddModuleMessage(string.Format(Localizer["Message.NoJobs"], NavigateUrl("admin/system")), MessageType.Warning);
		}
	}

	private string DisplayStatus(bool isEnabled, bool isExecuting)
	{
		var status = string.Empty;
		if (!isEnabled)
		{
			status = Localizer["Disabled"];
		}
		else
		{
			if (isExecuting)
			{
				status = Localizer["Executing"];
			}
			else
			{
				status = Localizer["Idle"];
			}
		}

		return status;
	}


	private string DisplayFrequency(int interval, string frequency)
	{
		var result = "";
		switch (frequency)
		{
			case "m":
				result = $"{Localizer["Every"]} {interval.ToString()} " + Localizer["Minute"];
				break;
			case "H":
				result = $"{Localizer["Every"]} {interval.ToString()} " + Localizer["Hour"];
				break;
			case "d":
				result = $"{Localizer["Every"]} {interval.ToString()} " + Localizer["Day"];
				break;
			case "w":
				result = $"{Localizer["Every"]} {interval.ToString()} " + Localizer["Week"];
				break;
			case "M":
				result = $"{Localizer["Every"]} {interval.ToString()} " + Localizer["Month"];
				break;
			case "O":
				result = Localizer["Once"];
				break;
		}
        return result;
    }

    private async Task DeleteJob(Job job)
    {
        try
        {
            await JobService.DeleteJobAsync(job.JobId);
            await logger.LogInformation("Job Deleted {Job}", job);
			_jobs = await JobService.GetJobsAsync();
            StateHasChanged();
        }
        catch (Exception ex)
        {
            await logger.LogError(ex, "Error Deleting Job {Job} {Error}", job, ex.Message);
            AddModuleMessage(Localizer["Error.Job.Delete"], MessageType.Error);
        }
    }

    private async Task StartJob(int jobId)
    {
        try
        {
			await JobService.StartJobAsync(jobId);
            await logger.LogInformation("Job Started {JobId}", jobId);
            AddModuleMessage(Localizer["Message.Job.Start"], MessageType.Success);
			_jobs = await JobService.GetJobsAsync();
            StateHasChanged();
        }
        catch (Exception ex)
        {
            await logger.LogError(ex, "Error Starting Job {JobId} {Error}", jobId, ex.Message);
            AddModuleMessage(Localizer["Error.Job.Start"], MessageType.Error);
        }
    }

    private async Task StopJob(int jobId)
    {
        try
        {
			await JobService.StopJobAsync(jobId);
            await logger.LogInformation("Job Stopped {JobId}", jobId);
            AddModuleMessage(Localizer["Message.Job.Stop"], MessageType.Success);
			_jobs = await JobService.GetJobsAsync();
            StateHasChanged();
        }
        catch (Exception ex)
        {
            await logger.LogError(ex, "Error Stopping Job {JobId} {Error}", jobId, ex.Message);
            AddModuleMessage(Localizer["Error.Job.Stop"], MessageType.Error);
        }
    }

    private async Task Refresh()
    {
        _jobs = await JobService.GetJobsAsync();
        StateHasChanged();
    }
}
